Frost Dates for Assiniboia Airport, SK

Elevation: 726 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 21
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. September 21

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost May 24
First Fall Frost September 16

Hard Freeze (−2°C)

Last Spring Hard Freeze May 8
First Fall Hard Freeze September 27
49.73°N, 105.95°W © OpenStreetMap

Growing Season

123 Days May 21 to September 21

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 3b

Avg. annual minimum: −37 to −34°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-6°-11°-17°
February-5°-10°-16°
March2°-4°-9°
April11°4°-2°
May18°11°4°
June22°16°9°
July26°19°12°
August26°18°11°
September20°13°5°
October11°5°-1°
November2°-3°-9°
December-4°-9°-15°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March0
April20
May56
June86
July43
August25
September23
October13
November0
December0

Sunrise / Sunset

Daylight Central Standard Time (CST) Longest: 16h 06m · Shortest: 7h 54m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Standard Time (CST))
Month Sunrise Sunset Daylight
January9:03 AM5:24 PM8h 21m
February8:23 AM6:14 PM9h 50m
March7:27 AM7:00 PM11h 33m
April6:19 AM7:49 PM13h 30m
May5:25 AM8:35 PM15h 09m
June5:02 AM9:06 PM16h 05m
July5:18 AM9:00 PM15h 42m
August6:01 AM8:15 PM14h 15m
September6:48 AM7:09 PM12h 21m
October7:35 AM6:03 PM10h 28m
November8:26 AM5:12 PM8h 46m
December9:02 AM4:57 PM7h 55m

Nearby Stations

Rockglen (Aut), SK May 19 - September 23 Dahinda, SKMay 21 - September 13 Moose Jaw Cs, SK May 22 - September 15 Coronach, SKMay 24 - September 12 Coronach Spc, SK May 26 - September 13 Opheim 10 N, MT June 1 - September 7

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